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Lin J, Ni J, Ji J, Huang D, Zhong Q, Yu T. 210Po and 210Pb in tissues of fish from the southern coast of China and the contribution of 210Po to the radiation dose. J Radioanal Nucl Chem 2022. [DOI: 10.1007/s10967-022-08693-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Sabu KSP, Kavitha PK, Shareef YN, Khan MF. Evaluation of the radiological dose due to 210Po in commercial clupeid fish collected in the near-shore environment of the high background natural radiation area (HBNRA) on the southwest coast of India. MARINE POLLUTION BULLETIN 2022; 182:114034. [PMID: 35981447 DOI: 10.1016/j.marpolbul.2022.114034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
In this study, we quantified the tissue concentration of 210Po in a variety of commercial sardine fish species of the family Clupeidae from an area of high background natural radiation area on the southwest coast of India. The smooth belly sardine Amblygaster leiogaster had the lowest 210Po concentration in its muscle (45.6 ± 7.9 Bq kg-1 fresh), while the goldstripe sardine Sardinella gibbosa had the highest (103.4 ± 10.1 Bq kg-1 fresh). The Annual Committed Effective Dose (ACED) of fried sardine and sardine curry were 134.3-304.3 μSv y-1 and 226.6-513.5 μSv y-1, respectively. Of the 210Po loss, 20 % was due to frying and 10 % to preparing sardine curry. The effective dose was found to be globally comparable and well below the world limit. Consumption of sardines containing 210Po would not pose a health hazard to the residents of Manavalakurchi.
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Affiliation(s)
- Karunakaran Sreekumar Praveen Sabu
- Department of Zoology, Thiru Kolanjiappar Government Arts College, (Affiliated to Thiruvalluvar University, Serkadu, Vellore), Virudhachalam, 606001 Cuddalore District, Tamil Nadu, India
| | - Pappireddipatty Kandasamy Kavitha
- Post Graduate and Research Department of Zoology, C. Abdul Hakeem College (Autonomous - Affiliated to Thiruvalluvar University, Serkadu, Vellore), Hakeem Nagar, Melvisharam, 632509 Ranipet District, Tamil Nadu, India
| | - Yaseen Nawaz Shareef
- Post Graduate and Research Department of Zoology, C. Abdul Hakeem College (Autonomous - Affiliated to Thiruvalluvar University, Serkadu, Vellore), Hakeem Nagar, Melvisharam, 632509 Ranipet District, Tamil Nadu, India
| | - Mohan Feroz Khan
- Post Graduate and Research Department of Zoology, C. Abdul Hakeem College (Autonomous - Affiliated to Thiruvalluvar University, Serkadu, Vellore), Hakeem Nagar, Melvisharam, 632509 Ranipet District, Tamil Nadu, India.
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Rosa MML, Maihara VA, Taddei MHT, Cheberle LTV, Avegliano RP, Silva PSC. The use of total diet study for determination of natural radionuclides in foods of a high background radiation area. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2022; 242:106793. [PMID: 34923321 DOI: 10.1016/j.jenvrad.2021.106793] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 12/04/2021] [Accepted: 12/07/2021] [Indexed: 06/14/2023]
Abstract
The activity concentrations of 40K, 210Pb, 210Po, 226Ra, 228Ra, 228Th, 230Th, 232Th, 234U, and 238U were determined in 82 food samples, grouped into 20 food groups according to the Brazilian Total Diet, which reflects the dietary habits of a population, for the rural and urban areas of Poços de Caldas city, a High Background Radiation Area. The highest activity concentration found in the food samples was due to 40K being present in all types of food. Among the other radionuclides, high activity concentrations were found for 210Pb in beans and salt, 210Po in fish, 226Ra and 228Ra in nuts and seeds. The main food groups that contributed most to the effective dose, in urban and rural regions, were beans and beverages. The effective doses, due to the ingestion of the analysed food groups, were of 0.44 and 0.60 mSv y-1 and the lifetime cancer risks were 1.6 × 10-3 and 2.3 × 10-3 for the urban and rural Poços de Caldas population, respectively.
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Affiliation(s)
- Mychelle M L Rosa
- Instituto de Pesquisas Energéticas e Nucleares (IPEN/CNEN-SP), Av. Prof. Lineu Prestes, 2242, CEP, 05508-000, São Paulo, SP, Brazil; Comissão Nacional de Energia Nuclear / Laboratório de Poços de Caldas (CNEN / LAPOC), Rodovia Poços de Caldas/Andradas km 13. CEP 37701-970, Poços de Caldas, MG, Brazil; Ambientis Radioproteção, Av. Real, 236, Aldeia da Serra, CEP 06429-200, Barueri, SP, Brazil
| | - Vera A Maihara
- Instituto de Pesquisas Energéticas e Nucleares (IPEN/CNEN-SP), Av. Prof. Lineu Prestes, 2242, CEP, 05508-000, São Paulo, SP, Brazil
| | - Maria Helena T Taddei
- Comissão Nacional de Energia Nuclear / Laboratório de Poços de Caldas (CNEN / LAPOC), Rodovia Poços de Caldas/Andradas km 13. CEP 37701-970, Poços de Caldas, MG, Brazil
| | - Luan T V Cheberle
- Ambientis Radioproteção, Av. Real, 236, Aldeia da Serra, CEP 06429-200, Barueri, SP, Brazil
| | - Roseane P Avegliano
- Instituto de Pesquisas Energéticas e Nucleares (IPEN/CNEN-SP), Av. Prof. Lineu Prestes, 2242, CEP, 05508-000, São Paulo, SP, Brazil
| | - Paulo S C Silva
- Instituto de Pesquisas Energéticas e Nucleares (IPEN/CNEN-SP), Av. Prof. Lineu Prestes, 2242, CEP, 05508-000, São Paulo, SP, Brazil.
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Panigrahi S, Mohanty AK, Samantara MK, Sahu G, Chandrasekaran S, Subramanian V, Srinivas CV. Distribution, annual committed effective dose, and health safety assessment of 210Po in marine biota from Kalpakkam coast, Bay of Bengal. MARINE POLLUTION BULLETIN 2021; 173:113147. [PMID: 34808544 DOI: 10.1016/j.marpolbul.2021.113147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 11/10/2021] [Accepted: 11/11/2021] [Indexed: 06/13/2023]
Abstract
Seafood, intertidal biota, beach sediment, and seawater from Kalpakkam coast, Bay of Bengal were analyzed for 210Po to evaluate the internal exposure and other radiological safety aspects. Kalpakkam houses various nuclear power generation facilities on its coast. The activity concentration of 210Po was more pronounced in the intertidal organisms. Pelagic planktivorous fishes have the highest activity of the non-technogenic radionuclide, followed by the detrital feeders, benthic planktivores, benthic carnivores, and pelagic carnivore fishes. The affinity of 210Po to organic detrital matter and planktonic organisms has led to a higher accumulation of radionuclide in planktivorous fishes. Activity concentration of 210Po in seafood ranged between 1.13 ± 0.3 and 96.71 ± 1.6 Bq kg-1 (Becquerel/kilogram). In seaweeds and gastropods, it ranged from 2.09 ± 0.2 to 8.21 ± 0.6 and from 9.31 ± 0.7 to 21.58 ± 1.2 Bq kg-1, respectively. The committed effective dose (CED) of 210Po in seafood varied from 31.18 to 456.68 μSv yr-1 (microSievert/year). Radiological hazard parameters, such as activity intake, CED in consumption, of the seafood from this coast are within the acceptable levels prescribed by the International Commission on Radiological Protection and US Environmental Protection Agency.
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Affiliation(s)
- Satyanarayan Panigrahi
- Environmental Assessment Section, EAD/RESG/SQRMG, Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu 603 102, India.
| | - A K Mohanty
- Aerosol Transport and Biodiversity Section, RESD/RESG/SQRMG, Indira Gandhi Centre for Atomic Research, Kalpakkam, India
| | - M K Samantara
- Aerosol Transport and Biodiversity Section, RESD/RESG/SQRMG, Indira Gandhi Centre for Atomic Research, Kalpakkam, India
| | - G Sahu
- Aerosol Transport and Biodiversity Section, RESD/RESG/SQRMG, Indira Gandhi Centre for Atomic Research, Kalpakkam, India
| | - S Chandrasekaran
- Environmental Assessment Section, EAD/RESG/SQRMG, Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu 603 102, India; Homi Bhaba National Institute, Anushakti Nagar, Mumbai, India
| | - V Subramanian
- Aerosol Transport and Biodiversity Section, RESD/RESG/SQRMG, Indira Gandhi Centre for Atomic Research, Kalpakkam, India
| | - C V Srinivas
- Environmental Assessment Section, EAD/RESG/SQRMG, Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu 603 102, India; Homi Bhaba National Institute, Anushakti Nagar, Mumbai, India
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Okuku EO, Kiteresi LI, Wanjeri VO, Owato GO. Baseline survey of sediment contamination with 210Polonium in three peri-urban creeks of Mombasa, Kenya. MARINE POLLUTION BULLETIN 2020; 154:111040. [PMID: 32319890 DOI: 10.1016/j.marpolbul.2020.111040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 02/27/2020] [Accepted: 03/02/2020] [Indexed: 06/11/2023]
Abstract
210Po in marine sediment from three peri-urban creeks in Mombasa was analyzed by alpha spectrometry in order to determine its baseline contamination levels. The mean 210Po activity in marine sediment from Mtwapa, Tudor and Makupa creeks were 18.67 ± 1.8, 21.17 ± 2.2 and 13.09 ± 1.6 Bq Kg-1 dw, for surface sediment and 37.56 ± 2.14, 28.64 ± 2.86 and 30.42 ± 2.1 Bq Kg-1 dw respectively, for sediment cores. Comparison of 210Po activity in surface sediment indicated that 210Po in the creeks could be originating from the same source. However, comparison of activities in the entire cores from the three creeks indicated that 210Po sources could have been different in the past. 210Po activities in this study were relatively elevated compared to marine environments under similar anthropogenic influence and there is need to understand its source and fate.
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Affiliation(s)
- Eric Ochieng Okuku
- Kenya Marine and Fisheries Research Institute, P.O. Box 81651, Mombasa, Kenya.
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Pillai GS, Chandrasekaran S, Baskaran R, Venkatraman B, Deepu R. A REVIEW ON 210Po AND 210Pb IN INDIAN SEAFOOD AND DOSE TO CONSUMERS. RADIATION PROTECTION DOSIMETRY 2019; 187:139-153. [PMID: 31135907 DOI: 10.1093/rpd/ncz149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 04/08/2019] [Accepted: 05/08/2019] [Indexed: 06/09/2023]
Abstract
India is the second largest seafood producer in the world marketing more than 7000 edible species. In this regard, commendable studies have been conducted since the 1970s by different research groups and more data are reported. In this work, all the studies on 210Po and 210Pb measurements in abiotic and biotic components of India have been combined and reviewed. The concentrations of 210Po and 210Pb are estimated by radiochemical separation followed by alpha counting. Grain size, season, Tsunami waves and place of sampling have a decisive bearing on 210Po and 210Pb concentration in abiotic components. Plankton shows a higher Kd factor (104) compared to seaweeds and sea grass (103). Pond ecosystems recorded the highest Kd factor (4·3 × 104) compared to other freshwater and marine ecosystems. Bioaccumulation of 210Po and 210Pb varies with respect to variety of seafood. The committed effective dose (CED) calculated for shellfish species maintained a higher range of 2.5 × 10-2 mSv/y to 9.8 × 10-1 mSv/y and for fish species fluctuated from 3.8 × 10-4 mSv/y to 2.0 × 10-1 mSv/y. The studies conducted so far are scattered, and need to be gathered for future reference and planning (i.e. There is not much information available for Kerala, Karnataka, Maharashtra, Gujarat, Andhra, West Bengal and Odessa coast). Therefore, it is strongly recommended that further and more complete research is undertaken to study the bioaccumulation of 210Po and 210Pb from seafood. Overall, the present review concludes that Indian seafood is radiologically safe.
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Affiliation(s)
- G Sankaran Pillai
- Radiological, Environment and Safety Division (RESD), Health Safety and Environment Group (HSEG), Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute (HBNI), Kalpakkam 603 102, Tamil Nadu, India
| | - S Chandrasekaran
- Radiological, Environment and Safety Division (RESD), Health Safety and Environment Group (HSEG), Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute (HBNI), Kalpakkam 603 102, Tamil Nadu, India
| | - R Baskaran
- Radiological, Environment and Safety Division (RESD), Health Safety and Environment Group (HSEG), Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute (HBNI), Kalpakkam 603 102, Tamil Nadu, India
| | - B Venkatraman
- Radiological, Environment and Safety Division (RESD), Health Safety and Environment Group (HSEG), Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute (HBNI), Kalpakkam 603 102, Tamil Nadu, India
| | - R Deepu
- Radiological, Environment and Safety Division (RESD), Health Safety and Environment Group (HSEG), Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute (HBNI), Kalpakkam 603 102, Tamil Nadu, India
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Sethy N, Sutar A, Rath P, Jha V, Ravi P, Tripathi R. A review of radio chemical analysis and estimation of 210Po in soil matrices. JOURNAL OF RADIATION RESEARCH AND APPLIED SCIENCES 2019. [DOI: 10.1016/j.jrras.2015.07.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- N.K. Sethy
- Health Physics Division, Bhabha Atomic Research Centre, Health Physics Unit, Jaduguda, Jharkhand, 832102, India
| | - A.K. Sutar
- Deparment of Chemistry, Ravenshaw University, Cuttack, Odisha, India
| | - P. Rath
- School of Applied Sciences, KIIT University, Bhubaneswar, Odisha, India
| | - V.N. Jha
- Health Physics Division, Bhabha Atomic Research Centre, Health Physics Unit, Jaduguda, Jharkhand, 832102, India
| | - P.M. Ravi
- Health physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India
| | - R.M. Tripathi
- Health physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India
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Kavitha E, Chandrashekara M, Paramesh L. 226Ra and 210Po concentration in drinking water of Cauvery river basin south interior Karnataka State, India. JOURNAL OF RADIATION RESEARCH AND APPLIED SCIENCES 2019. [DOI: 10.1016/j.jrras.2015.08.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- E. Kavitha
- Department of Studies in Physics, University of Mysore, Manasagangotri, Mysuru, 570 006, India
| | - M.S. Chandrashekara
- Department of Studies in Physics, University of Mysore, Manasagangotri, Mysuru, 570 006, India
| | - L. Paramesh
- Department of Studies in Physics, University of Mysore, Manasagangotri, Mysuru, 570 006, India
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Vernon EL, Smith JT, Jha AN. Relative comparison of tissue specific bioaccumulation and radiation dose estimation in marine and freshwater bivalve molluscs following exposure to phosphorus-32. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2018; 192:312-320. [PMID: 30015316 DOI: 10.1016/j.jenvrad.2018.07.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 07/02/2018] [Accepted: 07/06/2018] [Indexed: 06/08/2023]
Abstract
With respect to environmental protection, understanding radionuclide bioconcentration is necessary to relate exposure to radiation dose and hence to biological responses. Few studies are available on tissue specific accumulation of short-lived radionuclides in aquatic invertebrates. Short-lived radionuclides such as 32Phosphorus (32P), although occurring in small quantities in the environment, are capable of concentrating in the biota, especially if they are chronically exposed. In this study, we firstly compared tissue specific bioaccumulation and release (depuration) of 32P in adult marine (Mytilus galloprovincialis, MG) and freshwater bivalve molluscs (Dreissena polymorpha, DP). Secondly, using the Environmental Risk from Ionising Contaminants Assessment and Management (ERICA) tool, we calculated tissue specific doses following determination of radionuclide concentration. Marine and freshwater bivalves were exposed for 10 days to varying 32P concentrations to acquire desired whole body average dose rates of 0.10, 1.0 and 10 mGy d-1. Dose rates encompass a screening dose rate value of 10 μGy h-1 (0.24 mGy d-1), in accordance with the ERICA tool. This study is the first to relate tissue specific uptake and release (via excretion) of 32P from two anatomically similar bivalve species. Results showed highly tissue specific accumulation of this radionuclide and similarity of accumulation pattern between the two species. Our data, which highlights preferential 32P accumulation in specific tissues such as digestive gland, demonstrates that in some cases, tissue-specific dose rates may be required to fully evaluate the potential effects of radiation exposure on non-human biota. Differential sensitivity between biological tissues could result in detrimental biological responses at levels presumed to be acceptable when adopting a 'whole-body' approach.
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Affiliation(s)
- Emily L Vernon
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, Devon, PL4 8AA, UK
| | - Jim T Smith
- School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, PO1 3QL, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, Devon, PL4 8AA, UK.
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Sankaran Pillai G, Chandrasekaran S, Sivasubramanian K, Baskaran R, Venkatraman B. A REVIEW ON VARIATION OF NATURAL RADIOACTIVITY ALONG THE SOUTHEAST COAST OF TAMIL NADU FOR THE PAST 4 DECADES (1974-2016). RADIATION PROTECTION DOSIMETRY 2018; 179:125-135. [PMID: 29069491 DOI: 10.1093/rpd/ncx233] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 09/30/2017] [Indexed: 06/07/2023]
Abstract
This review deals with natural radioactivity variation along the southeast coast of Tamil Nadu for the past four decades (1974-2016). About 40 research works have been conducted along the coast since 1974 in various environmental matrices using a variety of experimental methods. For these measurements researchers are adopted different experimental methods. The measured gamma dose rate ranged from 30 to 8700 nGy/h. The mean specific activity of 238U, 232Th and 40K was found to be 58.8 ± 28.7, 465.2 ± 147.3 and 311.2 ± 27.8 Bq/kg, respectively. The calculated annual exposure rate ranged from 0.29 to 12.8 mSv/y with the mean value of 3.7 mSv/y which is above the global average of 2.4 mSv/y as reported by United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) (Report to General Assembly, Annex B Exposures of the public and workers from various sources of radiation. United Nations, New York (2008)). Plant food items recorded low 210Po activities as compared to seafood organisms. Grain size, season and place of sampling have a decisive bearing on coastal radioactivity. Therefore, it is concluded from the review data that there is an appreciable elevation in background radiation level in the coastal region. This review suggests that new radiological surveys using improved methodology that cover the entire coastal stretch are needed.
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Affiliation(s)
- G Sankaran Pillai
- Radiological Safety Division (RSD), Health Safety and Environment Group (HSEG), Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute (HBNI), Kalpakkam 603102, Tamil Nadu, India
| | - S Chandrasekaran
- Radiological Safety Division (RSD), Health Safety and Environment Group (HSEG), Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute (HBNI), Kalpakkam 603102, Tamil Nadu, India
| | - K Sivasubramanian
- Radiological Safety Division (RSD), Health Safety and Environment Group (HSEG), Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute (HBNI), Kalpakkam 603102, Tamil Nadu, India
| | - R Baskaran
- Radiological Safety Division (RSD), Health Safety and Environment Group (HSEG), Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute (HBNI), Kalpakkam 603102, Tamil Nadu, India
| | - B Venkatraman
- Radiological Safety Division (RSD), Health Safety and Environment Group (HSEG), Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute (HBNI), Kalpakkam 603102, Tamil Nadu, India
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Kavitha E, Paramesh L. Estimation of U, 226Ra, and 210Po Concentrations in Cauvery River Basin, South Interior Karnataka Region, India. RADIOCHEMISTRY 2018. [DOI: 10.1134/s1066362218010149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Kim SH, Hong GH, Lee HM, Cho BE. 210Po in the marine biota of Korean coastal waters and the effective dose from seafood consumption. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2017; 174:30-37. [PMID: 27903421 DOI: 10.1016/j.jenvrad.2016.11.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 10/31/2016] [Accepted: 11/01/2016] [Indexed: 06/06/2023]
Abstract
The activity concentrations of 210Po were determined in plankton and selected species of macroalgae, crustaceans, molluscs, and fish from Korean coastal waters to understand 210Po distribution in these trophic levels and to assess the effective dose of 210Po from seafood ingested by the average Korean. The activity concentration of 210Po in macroalgae, mixed plankton, anchovy (whole body), abalone muscle, and abalone viscera was 0.97-1.43, 32-137, 59-392, 2.93 ± 0.86, and 1495 ± 484 Bq kg-1 (w.w.), respectively. Polonium-210 concentration in the whole flesh of mussel and oyster were 47.8 ± 5.9 and 45.3 ± 7.1 Bq kg-1 (w.w.), respectively. Polonium-210 concentration in the muscle of the five tested species of fish other than anchovy ranged from 0.51 to 5.56 Bq kg-1 (w.w.), with the lowest amount in a demersal species. In fish, 210Po activity concentration was as much as three orders of magnitude higher in viscera than in muscle. The average annual effective 210Po dose per average Korean adult, who consumes 42.8 kg of seafood a year (excluding anchovy), was estimated to be 94 μSv y-1, with 42-71% of this attributed to shellfish. Further studies are required to assess the dose of 210Po from anchovy owing to its high activity concentration and the manner in which anchovy is consumed.
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Affiliation(s)
- S H Kim
- Korea Institute of Ocean Science & Technology, Ansan, 15627, Republic of Korea; Graduate School of Ocean Science and Technology, Korea Maritime and Ocean University, Busan, 49112, Republic of Korea.
| | - G H Hong
- Korea Institute of Ocean Science & Technology, Ansan, 15627, Republic of Korea; Graduate School of Ocean Science and Technology, Korea Maritime and Ocean University, Busan, 49112, Republic of Korea
| | - H M Lee
- Korea Institute of Ocean Science & Technology, Ansan, 15627, Republic of Korea
| | - B E Cho
- Korea Institute of Ocean Science & Technology, Ansan, 15627, Republic of Korea; Graduate School of Ocean Science and Technology, Korea Maritime and Ocean University, Busan, 49112, Republic of Korea
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Annamalai SK, Arunachalam KD, Selvaraj R. Natural radionuclide dose and lifetime cancer risk due to ingestion of fish and water from fresh water reservoirs near the proposed uranium mining site. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:15427-15443. [PMID: 28508337 DOI: 10.1007/s11356-017-9111-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 04/26/2017] [Indexed: 06/07/2023]
Abstract
Ten sampling locations in Nagarjuna Sagar Dam have been selected to assess the suitability of the reservoir water for human consumption. The sediment, water, and fish samples were collected and analyzed for radionuclide (238U, 232Th, 210Po, 226Ra, 210Pb) and physicochemical parameters like pH, TOC, total hardness, alkalinity, DO, cation exchange capacity, and particle size. The spatial variations among the radionuclides (238U, 232Th, 210Po, 226Ra, 210Pb) in water and bottom sediments of Nagarjuna Sagar Dam were determined. The uranium concentration in the sediment and water was in BDL (<0.5 ppb). The maximum permissible limits in water samples of the analyzed radionuclides are 238U-10 Bq/l, 210Po-0.1 Bq/l, 226Ra-1 Bq/l, and 210Pb-0.1 Bq/l. The radionuclides in our water samples were approximately 50 times far below the recommended limit. The ingestion of water and fish would not pose any significant radiological impact on health or cancer risk to the public, implicating that the fishes from Nagarjuna Sagar Dam reservoir are safe for human consumption except the fisherman community.
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Affiliation(s)
- Sathesh Kumar Annamalai
- Center for Environmental Nuclear Research, Directorate of Research, SRM University, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Kantha Deivi Arunachalam
- Center for Environmental Nuclear Research, Directorate of Research, SRM University, Kattankulathur, Chennai, Tamil Nadu, 603203, India.
| | - Rajaram Selvaraj
- Environmental Survey Laboratories, Bhabha Atomic Research Centre, Kalpakkam, 603102, India
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Kristan U, Planinšek P, Benedik L, Falnoga I, Stibilj V. Polonium-210 and selenium in tissues and tissue extracts of the mussel Mytilus galloprovincialis (Gulf of Trieste). CHEMOSPHERE 2015; 119:231-241. [PMID: 25016556 DOI: 10.1016/j.chemosphere.2014.05.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Revised: 05/07/2014] [Accepted: 05/09/2014] [Indexed: 06/03/2023]
Abstract
Marine organisms such as mussels and fish take up polonium (Po) and selenium (Se), and distribute them into different cellular components and compartments. Due to its high radiotoxicity and possible biomagnification across the marine food chain Po-210 is potentially hazardous, while selenium is an essential trace element for humans and animals. The aim of this study was to investigate and compare the presence and extractability of the elements in the mussels Mytilus galloprovincialis collected in the Gulf of Trieste. The levels of Po-210 in the samples ranged from 220 to 400 Bq kg(-1) and of Se from 2.6 to 8.2 mg kg(-1), both on a dry matter basis. Using various extraction types and conditions in water, buffer or enzymatic media, the best extractability was obtained with enzymatic extraction (Protease XIV, 1h shaking at 40 °C) and the worst by water extraction (24 h shaking at 37 °C). 90% of Po-210 and 70% of Se was extractable in the first case versus less than 10% of Po-210 and less than 40% of Se in the second. Such evident differences in extractability between the investigated elements point to different metabolic pathways of the two elements. In enzymatic extracts Se speciation revealed three Se compounds (SeCys2, SeMet, one undefined), while Po-210 levels were too low to allow any conclusions about speciation.
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Affiliation(s)
- Urška Kristan
- Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia; Jožef Stefan International Postgraduate School, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Petra Planinšek
- Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia; Jožef Stefan International Postgraduate School, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Ljudmila Benedik
- Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia; Jožef Stefan International Postgraduate School, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Ingrid Falnoga
- Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Vekoslava Stibilj
- Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia; Jožef Stefan International Postgraduate School, Jamova 39, SI-1000 Ljubljana, Slovenia.
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